package com.company.service;

import com.company.entity.User;

import java.util.HashMap;

public interface ISysUserService {

    //所有跟用户相关的行为
   HashMap<Integer,User> hashMap = new HashMap<>();
    //add
    //实现登录
    boolean login(int phone);
    // del

    // update

    // select
    //实现注册
    int register(User user,int phone);
}
